LangSmith vs Strands Evals
| LangSmith | Strands Evals | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | $39/mo | Free |
| Open source | No | No |
| Platforms | api, self-hosted, Web | api, Linux, macOS, self-hosted, Windows |
| Free plan | Yes | — |
| Evaluation methods | — | hybrid |
| Tool-call checks | — | Yes |
| Trace ingestion | — | Yes |
| Safety evaluations | — | Yes |
| Regression runs | — | Yes |
| SDK language support | — | python |
Both are listed in Best AI Agent Evaluation Tools. On Samsung Mobile US Press, Strands Evals scores higher on our published basis.